Liquid describes N-butyl Mercaptan 109-79-5. Its chemical name is Butyl Mercaptan, 1-Butanethiol. It is used in the fragrance, flavour, fragrance and aroma industries as well as the chemical, pharmaceutical and soap and detergent industries. Storage: Keep items in a cool area. Keep the container securely shut and in a dry, well-ventilated area. Opened containers need to be properly resealed and maintained upright to avoid leaks.